查询
SELECT * FROM Question
INNER JOIN Question_Answer
ON Question.question_id = Question_Answer.question_id
WHERE Question.question_group_id = 518
问题表包含以下列：
question_id|question_name|question_type|question_group_id|question_ask
1 |100-105 | gr | 518 | question1
2 |100-105 | gr | 518 | question2
3 |100-105 | gr | 518 | question3
4 |100-105 | gr | 518 | question4
Question_Answer包含以下列：
question_id|question_answer_text|question_answer_id|question_answer_is_correct
518 |Text1 |1107 |1
518 |Text2 |1108 |1
518 |Text3 |1109 |1
518 |Text4 |1110 |1
问题是输出的内容如下：
question_id|question_name|question_type|question_group_id|question_ask|question_id|question_answer_text|question_answer_id|question_answer_is_correct
1 |100-105 | gr | 518 | question1 | 518 |Text1 |1107 |1
1 |100-105 | gr | 518 | question1 | 518 |Text2 |1108 |1
1 |100-105 | gr | 518 | question1 | 518 |Text3 |1109 |1
1 |100-105 | gr | 518 | question1 | 518 |Text4 |1110 |1
我想要实现的目标是：
1 |100-105 | gr | 518 | question1 | 518 |Text1 |1107 |1
2 |100-105 | gr | 518 | question2 | 518 |Text2 |1108 |1
3 |100-105 | gr | 518 | question3 | 518 |Text3 |1109 |1
4 |100-105 | gr | 518 | question4 | 518 |Text4 |1110 |1
答案 0 :(得分：0)
修复数据或修复您的加入。
您的加入是： Question.question_id = Question_Answer.question_id
但数据为： {1,2,3,4}＆lt;＆gt; {518}
连接错误或数据是。